CLIMATE CHARTS

Mattoon, Illinois

Latitude: 39.4725 Longitude: -88.3544

Elevation: 720.1 feet (219.5 meters)

Mattoon, Illinois Temperature Chart Daily average maximum and minimum temperatures for Mattoon, Illinois Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec High & Low Temperature °F  °C -30 -34.4 -20 -28.9 -10 -23.3 0 -17.8 10 -12.2 20 -6.7 30 -1.1 40 4.4 50 10.0 60 15.6 70 21.1 80 26.7 90 32.2 100 37.8 110 43.3 Mattoon, Illinois Precipitation Chart Precipitation chart for Mattoon, Illinois Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Precipitation In. Cm. 0.00 0.00 0.10 0.25 0.20 0.51 0.30 0.76 0.40 1.02 0.50 1.27 0.60 1.52 0.70 1.78 0.80 2.03 0.90 2.29 1.00 2.54 Daylight Chart for MATTOON, IL Daylight chart for MATTOON, IL. Latitude 39.5. Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Sunrise/Sunset Daylight NOON NOON 0 0 2 2 4 4 6 6 8 8 10 10 12 12 14 2 16 4 18 6 20 8 22 10 24 12

Monthly Data Table for Mattoon, Illinois

Imperial Units
Statistic Units Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum Temperature °F 35.0 39.8 51.5 64.4 74.6 83.6 86.5 85.0 79.3 66.2 52.1 38.2
Minimum Temperature °F 20.5 24.1 33.1 43.8 53.8 63.4 66.7 64.6 56.6 46.0 35.1 23.8
Heating Degree Days °F 1155 925 706 344 114 12 0 3 59 298 643 1054
Cooling Degree Days °F 0 0 2 17 89 267 360 307 148 22 1 0
Precipitation in. 2.26 2.14 2.71 4.01 4.17 4.11 4.22 2.89 3.22 3.56 3.85 2.96

Metric Units
Statistic Units Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum Temperature °C 1.7 4.3 10.8 18.0 23.7 28.7 30.3 29.4 26.3 19.0 11.2 3.4
Minimum Temperature °C -6.4 -4.4 0.6 6.6 12.1 17.4 19.3 18.1 13.7 7.8 1.7 -4.6
Heating Degree Days °C 642 514 392 191 63 7 0 2 33 166 357 586
Cooling Degree Days °C 0 0 1 9 49 148 200 171 82 12 1 0
Precipitation cm. 5.74 5.44 6.88 10.19 10.59 10.44 10.72 7.34 8.18 9.04 9.78 7.52
© Climate-Charts.com